Hello, i had the same problem with you . Server OS :Windows Server 2008 memcached 1.4.15 there are many CLOSE_WAIT.and memcached dosent work. did you resoleved this issue? Thanks.
在 2013年9月30日星期一 UTC+8下午11:36:18,Nic Jansma写道: > > Using memcached 1.4.15 > > Over the past few months I've been having a few issue with memcached, > notably the issue here: > http://code.google.com/p/memcached/issues/detail?id=260 > > However, another, maybe related issue, is that once every few days, > clients (websites running PHP) cannot connect to the localhost memcached > instance. > > I'm running with a connection limit of 4096: > memcached -d -p 11211 -m 1024 -c 4096 -P /var/run/memcached/memcached.pid > -l 127.0.0.1 -k > > When the error started happening today, I looked at the log and see > several "Too many open connections" lines. Here's the first one: > ... > >4094 Writing bin response: > ... > <4094 connection closed. > Too many open connections > ... > > Connection #4094 is right around my 4096 connection limit... > > Looking at netstat and lsof, I see around 4000 connections -- most of them > are in CLOSE_WAIT. > > lsof: > ... > memcached 477 root 1366u IPv4 622713568 0t0 TCP > localhost:memcache->localhost:43324 (CLOSE_WAIT) > memcached 477 root 1367u IPv4 622713571 0t0 TCP > localhost:memcache->localhost:43325 (CLOSE_WAIT) > ... > > netstat: > ... > tcp 39 0 localhost:memcache > localhost:45768 CLOSE_WAIT > tcp 25 0 localhost:memcache > localhost:42766 CLOSE_WAIT > ... > > The rest of the connections are in FIN_WAIT1, ESTABLISHED, etc, but the > vast majority are the ~4,000 CLOSE_WAIT connections. > > I'm going to try bumping up the connection limit to 32k to avoid this for > now, but clearly there's something going on where memcached isn't closing > connections. > > How can I debug this further? > -- --- You received this message because you are subscribed to the Google Groups "memcached" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
